# data[].attributes.body
Step 4: detailed description

# data[].attributes.body
Step 3: detailed description

# data[].attributes.body
step 2: detailed description

# data[].attributes.body
step 1: detailed description

# data[].attributes.body
Step 3 and 4: detailed description

# data[].attributes.body
Step 2: detailed description

# data[].attributes.body
Step 1:  Detailed description

# data[].attributes.body
Summarize steps of event 1 using the following words: Acetycholine, Calcium ions, action potential, axon terminal, sarcolemma, voltage-gated Na+ ion channels, voltage-gated K+ ion channels, depolarization, repolarization, Na+ ions and K+ ions.